*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    box-sizing: border-box;
}
nav{
    width: 100%;
    border-bottom: 1px solid #cccccc;
    position: relative;
}
.nav-nav{
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #cccccc;
    position: fixed;
    z-index: 9999;
}
nav::after{
    content: '';
    clear: both;
    display: block;
}
.container .nav-nav::after{
    content: '';
    clear: both;
    display: block;
}
.w::after{
    content: '';
    clear: both;
    display: block;
}
.container{
    width: 1240px;
    margin: auto;
}
.tuxian{
    width: 100%;
    height: 2px;
    background: url("../images/xian.png");
}
.nav-left img{
    width: 122px;
    height: 33px;
}
.nav-left{
    width: 170px;
    padding: 25px 15px 15px 30px;
    float: left;
}
.nav-cen{
    float: left;
}
.nav-cen::after{
    content: '';
    clear: both;
    display: block;
}
.nav-cen ul{
    height: 78px;
    overflow: hidden;
    float: left;
}
.nav-cen ul li{
    float: left;
    height: 78px;
    padding: 0 15px;
}
.nav-cen ul li>a{
    display: inline-block;
    padding: 26px 0 19px;
    height: 77px;
    line-height: 30px;
    font-size: 18px;
    color: #333;
    cursor: pointer;
}
.nav-cen ul li a:hover{
    color: #2291f7;
}
#item-1{
    font-weight: 700;
    border-bottom: 3px solid #4889f3;
}
.nav-right-1{
    padding: 26px 15px 22px;

    float: left;
}
.nav-right-1 span{
    display: inline-block;
    padding: 0 14px;
    height: 30px;
    line-height: 30px;
    border-radius: 15px;
    font-size: 14px;
    color: #3563d5;
    cursor: pointer;
    background: #e3f3fe;
}
.nav-right-1 a{
    line-height: 30px;
    font-size: 14px;
    color: #3563d5;
    cursor: pointer;
}
.nav-right-2{
    float: right;
    margin: 20px 20px 0 0;
}
.nav-right-2 span{
    display: inline-block;
    padding: 0 14px;
    height: 30px;
    line-height: 30px;
    border-radius: 15px;
    font-size: 14px;
    color: #3563d5;
    cursor: pointer;
    background: #e3f3fe;
}
.nav-right-2 a{
    line-height: 30px;
    font-size: 14px;
    color: #3563d5;
    cursor: pointer;
}
main{
    margin-top: 100px;
}
.main-top-1{
    margin-bottom: 20px;
}
.main-top-1 img:first-child{
    cursor: pointer;
    width: 1000px;
    height: 90px;
}
.main-top-1 img:last-child{
    height: 100%;
}
.cen{
    width: 1240px;
}
.main-cen-left{
    width: 170px;
    margin-right: 30px;
    float: left;
}
.main-center{
    width: 700px;
    float: left;
}
.xg{
    height: 44px;
    line-height: 44px;
    color: #fff;
    background: #4889f3;
    border-radius: 3px 3px 0 0;
}
.xg h2{
    text-align: center;
    font-size: 16px;
    font-weight: 400;
}
.pd ul{
    border: 1px solid #f0f0f0;
    overflow: hidden;
}
.pd ul li{
    border: 1px solid #f0f0f0;
    border-top: none;
}
.pd ul li a{
    display: block;
    color: #666;
    font-size: 16px;
    height: 56px;
    line-height: 56px;
    text-align: center;
    background-color: #fff;
}
.pd ul li:hover a{
    color: #4889f3;
}
.main-cen-cen{
    width: 700px;
    float: left;
}
.cen-cen-1{
    width: 100%;
    height: 272px;
}
.cen-cen-2{
    width: 458px;
    height: 272px;
    float: left;
    position: relative;
}
.cen-cen-2 img{
    width: 100%;
    height: 100%;
}
.text{
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    color: #fff;
    font-size: 20px;
    line-height: 30px;
}
.text p{
    margin: 12px 20px 20px;
    display: inline-block;
    font-weight: 400;
}
.cen-cen-3{
    float: right;
    width: 230px;
    height: 130px;
    margin-bottom: 10px;
    position: relative;
}
.cen-cen-3 img{
    width: 100%;
    height: 100%;
}
.text-2{
    font-size: 14px;
    line-height: 18px;
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    color: #fff;
    padding: 10px;
}
.cen-cen-4{
    float: right;
    width: 230px;
    height: 130px;
    position: relative;

}
.cen-cen-4 img{
    width: 100%;
    height: 100%;
}
.text-3{
    font-size: 14px;
    line-height: 18px;
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
    color: #fff;
    padding: 10px;
}
.main-cen-bot{
    float: left;
    width: 100%;
    margin-top: 35px;
}
.main-cen-bot h2{
    color: #5889ec;
    line-height: 1;
}
.main-cen-bot ul li{
    padding: 15px 0;
    border-top: 1px solid #e6e6e6;
}
.lione{
    border-top: none !important;
}
.main-cen-bot ul li .tu-01{
    display: block;
    float: left;
    margin-right: 20px;
    width: 230px;
    height: 130px;
    overflow: hidden;

}
.txt-1 h3{
    line-height: 32px;
    min-height: 75px;
    font-size: 20px;
    font-weight: 400;
}
.txt-1 h3 a{
    color: #333;
}
.txt-1-a{
    height: 20px;
    line-height: 20px;
    margin-bottom: 13px;
}
.main-cen-bot ul li .txt-1 .txt-1-a a{
    display: inline-block;
    font-size: 12px;
    background-color: #f0f0f0;
    border-radius: 20px;
    padding: 0 10px;
    color: #999;
}
.txt-1-b{
    position: relative;
    color: #666;
    font-size: 12px;
    height: 22px;
    padding-right: 10px;
}
.txt-1-b-l{
    float: left;
}
.txt-1-b-l a{
    margin-right: 10px;
    color: #666;
}
.txt-1-b-r{
    float: right;
}
.fx{
    display: inline-block;
    color: gray;
    height: 22px;
    line-height: 22px;
}
.t{
    display: inline-block;
    padding-left: 18px;
    background: url("../images/tu-3.png") no-repeat 0;
    cursor: pointer;
}
.pl{
    display: inline-block;
    color: gray;
    height: 22px;
    line-height: 22px;
    margin-left: 15px;

}
.tt{
    display: inline-block;
    padding-left: 18px;
    background: url("../images/tu-4.png") no-repeat 0;
    cursor: pointer;
}
.twoli h3 a{
    color: #333;
    font-size: 20px;
    font-weight: 400;
}
.twoli .tu3{
    display: block;
    margin: 7px 0 11px;
    margin-left: -5px;
}
.twoli a img{
    float: left;
    margin: 0 0 0 5px;
    height: 130px;
    width: 230px;

}
.libot{
    height: 22px;
    padding-right: 10px;
}
.libot-1{
    float: left;
    font-size: 12px;
}
.libot-1 a{
    display: inline-block;
    color: #666;
    margin-right: 10px;
}
.libot-1 span{
    color: #666;
    font-size: 12px;
}
.libot-2{
    margin: 0 0 0 20px;
    height: 20px;
    line-height: 20px;
    float: left;
}
.libot-2 a{
    color: #666;
    display: inline-block;
    font-size: 12px;
    background-color: #f0f0f0;
    border-radius: 20px;
    padding: 0 10px;
    margin-right: 10px;
}
.libot-3{
    float: right;
    display: inline-block;
    color: gray;
    height: 22px;
    line-height: 22px
}

.libot-3 span{
    font-size: 12px;
    display: inline-block;
    padding-left: 18px;
    background: url("../images/tu-3.png") no-repeat 0;
    color: gray;
    cursor: pointer;
}
.ck a{
    display: block;
    margin: 10px 0 30px;
    line-height: 35px;
    background: #f0f0f0;
    text-align: center;
    font-size: 14px;
    cursor: pointer;
    color: #666;
    border-radius: 5px;
}
.ck a:hover{
    background: #e3f3fe;
    color: #4889f3;
}
.main-right{
    width: 300px;
    padding-top: 0;
    float: right;
}
.ri-top{
    margin-bottom: 50px;
}
.ri-top a img{
    width: 300px;
    height: 240px;
}
.ri-cen-h{
    padding: 0 0 13px 15px;
}
.ri-cen-h h2{
    width: 120px;
    height: 20px;
    line-height: 20px;
    float: left;
}
.ri-cen-h h2 a{
    display: block;
    width: 100%;
    height: 100%;
    font-size: 20px;
    color: #4889f3;
}
.ri-cen-c{
    background-color: #f7f8f9;
    padding: 5px 15px;
    margin-bottom: 35px;
}
.ri-cen-c ul li{
    padding: 10px 0;
    font-size: 14px;
}
.pic{
    float: left;
    width: 120px;
    height: 80px;
    overflow: hidden;
}
.pic img{
    width: 100%;
}
.ttxt-2{
    float: left;
    width: 140px;
    padding-left: 10px;
    line-height: 22px;
}
.ttxt-2 a{
    color: #333;
}
.ri-cen-b{
    text-align: center;
    font-size: 14px;
    cursor: pointer;
    color: #666;
    border-radius: 5px;
    margin-top: 10px;
    padding: 5px 0 0;
    line-height: 35px;

}
.xian{
    width: 300px;
    height: 1px;
    margin-left: -15px;
    border-top: 1px solid #eaeaea;
}
.ri-bot-h{
    padding: 0 0 13px 15px;
}
.ri-bot-h h2{
    width: 120px;
    height: 20px;
    line-height: 20px;
}
.ri-bot-h h2 span{
    display: block;
    width: 100%;
    height: 100%;
    font-size: 20px;
    color: #4889f3;
}
.ri-bot-cen{
    background-color: #f7f8f9;
    margin-bottom: 35px;
}
.ri-bot-cen ul li{
    padding: 0 0 10px;
}
.pic-2{
    width: 100%;
    height: 137px;
}
.pic-2 img{
    width: 100%;
    height: 100%;
}
.txt-2{
    width: 300px;
    padding: 7px 15px;
    height: auto;
    line-height: 22px;
}
.txt-2 a{
    color: #333;
    font-size: 14px;
}
.ri-bot-b{
    color: #4889f3;
    line-height: 35px;
    text-align: center;
    font-size: 14px;
    cursor: pointer;
}
.xian-2{
    width: 300px;
    height: 1px;
    background: #eaeaea;
}
footer .foot{
    padding: 60px 0;
   width: 100%;
    text-align: center;
    line-height: 20px;
}
.foot p{
    color: #333333;
    font-size: 12px;
}

main::after{
    content: '';
    clear: both;
    display: block;
}
footer::after{
    content: '';
    clear: both;
    display: block;
}
.cen-left-1{
    position: static;
    z-index: 1;
    width: 170px;
}
.main-cen-left{
    height: 20px;
}
.txt-1 h3 a:hover{
    color: #4889f3;
}
.twoli h3 a:hover{
    color: #4889f3;
}
.ttxt-2 a:hover{
    color: #4889f3;
}





@media (max-width: 600px){
    .cen-left-1{
        display: none;
    }
    nav{
        width: 100%;
    }
    .container{
        width: 100%;
    }
    .nav-nav{
        width: 100%;
        position: relative;
    }
    .nav-cen ul{
        height: auto;
    }
    main{
        margin-top: 30px;
    }
    .main-top-1 img:first-child{
        display: none;
    }
    .main-top-1 .main-top-01{
        width: 100%;
    }
    .main-top-01{
        text-align: center;
    }
    .cen{
        width: 100%;
    }
    .main-cen-left{
        width: 100%;
    }
    .main-center{
        width: 100%;
    }
    .main-right{
        width: 100%;
    }
    .main-cen-cen{
        width: 100%;
    }
    .cen-cen-2{
        width: 100%;
    }
    .cen-cen-3{
        width: 100%;
        height: auto;
    }
    .cen-cen-4{
        width: 100%;
        height: auto;
    }
    .main-cen-bot ul li .tu-01{
        text-align: center;
        width: 100%;
        float:none;
    }
    .txt-1 h3{
        text-align: center;
    }
    .twoli .tu3{
        text-align: center;
    }
    .twoli a img{
        float: none;
    }
    .ri-top{
        text-align: center;
    }
    .pic{
        width: 40%;
    }
    .ttxt-2{
        width:60%;
    }

}